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Navy Evaluates Sensors, Designs and Weapons for New Frigate

Aug 06, 2018
The Navy is now strengthening and extending conceptual design deals with shipbuilders tasked with refining structures and presenting options for a new Navy multi-mission Guided Missile Frigate - slated to be ready for open warfare on the world's oceans by the mid 2020s.

Navy envisions the Frigate, FFG(X), able to sense enemy targets from great distances, fire next-generation precision weaponry, utilize new networking and ISR technologies, operate unmanned systems and succeed against technically advanced enemies in open or “blue” water combat, according to service statements.

The service has now modified these existing deals, first announced in February, to enable the shipbuilders to continue their conceptual design work and "mature their proposed ship design to meet the FFG(X) System Specification," according to the deal modifications.

The Navy expects that new weapons and sensors will better enable the ship to destroy swarming small boat attacks, support carrier strike groups, conduct dis-aggregated operations, attack enemies with an over-the-horizon missile and engage in advanced surface and anti-submarine warfare, service statements specify.

"These Conceptual Design awards will reduce FFG(X) risk by enabling industry to mature their designs to meet the approved FFG(X) capability requirements. The Navy has not changed its FFG(X) capability requirements," Alan Baribeau, spokesman for Naval Sea Service Command, said.

The Navy hopes to expedite development to award a production contract in 2020 and ultimately deploy the new ship in the early to mid-2020s. For this reason, bidders were required to submit designs that have been “demonstrated at sea” and already paired with a shipyard for rapid production.

"The Conceptual Design effort will inform the final specifications that will be used for the Detail Design and Construction Request for Proposal that will deliver the required capability for FFG(X)," the Navy's contract announcement said.

Service developers seem to be heavily emphasizing sensor networking, weapons integration and targeting technology as it navigates this next phase of development.

The “blue force sensor” language is explained by Navy developers as integral to the Navy’s Distributed Maritime Operations Concept which, as evidenced by its name, seeks to enable a more dispersed and networked attack fleet suited for dis-aggregated operations as needed.

Also, by extension, longer range sensors will be needed to identify enemy attackers now equipped with long-range precision strike weapons and enable command and control across vast distances of open water and coastal patrol areas.

The Navy vision for the ship further specifies this, saying the “FFG(X) will be capable of establishing a local sensor network using passive onboard sensors, embarked aircraft and elevated/tethered systems and unmanned vehicles to gather information and then act as a gateway to the fleet tactical grid using resilient communications systems and networks.”

Along these lines, the Navy's FFG(X) Request for Proposal identifies a need for a netted sensor technology called Cooperative Engagement Capability (CEC).

CEC is an integral aspect of key emerging ship-defense technologies aimed at “netting” sensors and radar technologies in order to better identify and destroy approaching threats such as anti-ship missiles, drones and enemy aircraft.

“CEC is a sensor netting system that significantly improves battle force anti-air warfare capability by extracting and distributing sensor-derived information such that the superset of this data is available to all participating CEC units,” a Raytheon statement said.

Current analysis is no longer restricted to the idea of loosely basing the "hull design" upon the LCS, as was previously the case, Navy officials say.

Designs for the ship no longer merely envision a more "survivable" variant of an LCS. Previous FFG(X) requirements analyses conducted by a Navy Frigate Requirements Evaluation Team examined the feasibility of making the ship even more lethal and survivable than what previous plans had called for, Navy officials said.

Existing plans for the Frigate have considered "space armor" configurations, a method of segmenting and strengthening ship armor in specified segments to enable the ship to continue operations in the event that one area is damaged by enemy attack. Discussions for Frigate technologies have included plans for an MH-60R helicopter, Fire Scout drone and ship defense technologies such as SeaRAM.

The Navy already plans for the new Frigate to be integrated with anti-submarine surface warfare technologies including sonar, an over-the-horizon missile and surface-to-surface weapons, which could include a 30mm gun and closer-in missiles such as the HELLFIRE. An over-the-horizon missile chosen by the Navy for the LCS is the Naval Strike Missile by Kongsberg-Raytheon.

Navy plans for the FFG(X) also call for advanced electronic warfare tech along with both variable depth and lightweight sonar systems.

The new ship may also have seven 11-meter Rigid Inflatable Boats for short combat or expeditionary missions such as visiting, searching and boarding other ships.

In addition, Navy developers explain that the ship will be configured in what’s called a “modular” fashion, meaning it will be engineered to accept and integrate new technologies and weapons as they emerge. It certainly seems realistic that a new, even more survivable Frigate might be engineered with an additional capacity for on-board electrical power such that it can accommodate stronger laser weapons as they become available.

The Navy’s Distributed Maritime Operations Concept builds upon the Navy’s much-discussed “distributed lethality” strategy. This strategic approach, in development for several years now, emphasizes the need to more fully arm the fleet with offensive and defensive weapons and disperse forces as needed to respond to fast-emerging near-peer threats.

Part of the rationale is to move back toward open or “blue water” combat capability against near peer competitors emphasized during the Cold War. While the strategic and tactical capability never disappeared, it was emphasized less during the last 10-plus years of ground wars wherein the Navy focused on counter-terrorism, counter-piracy and things like Visit Board Search and Seizure. These missions are, of course, still important, however the Navy seeks to substantially increases its offensive “lethality” in order to deter or be effective against emerging high-tech adversaries.

Having longer-range or over-the-horizon ship and air-launched weapons is also quite relevant to the “distributed” portion of the strategy which calls for the fleet to have an ability to disperse as needed. Having an ability to spread out and conduct dis-aggregated operations makes Navy forces less vulnerable to enemy firepower while. At the same time, have long-range precision-strike capability will enable the Navy to hold potential enemies at risk or attack if needed while retaining safer stand-off distance from incoming enemy fire.

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Photo caption: Lockheed Martin received a $15 million conceptual design contract from the U.S. Navy to mature its Frigate design. (Lockheed Martin)